5700 xt or radeon vii to mine with?

[rdbase]

I see the 5700 xt cards coming down in price and was wondering which cards would be more beneficial to use for mining with?
Radeon VII when they came out werent very well liked because of the high wattage the cards would consume for just under 100 mh/s.
Some say the 5700 cards are nice because they can get full potential at just a bit over 100 watts per card producing 68 mh/s.
According to price and electricity use which cards are better to buy at this time?

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[badbart]

I have both and wouldn't buy either.  The Radeon VII are good card when they don't burn up.  I had 8 Radon VIIs and I had to RMA 5, when I put the 5 back to mining one burned up so I sold the rest.  Its a common problem lots of failures.  The RX 5700 are great for eth only, they have very fewer miners work with them and they are only efficient at mining eth.  

[badbart]

I have both and wouldn't buy either.  The Radeon VII are good card when they don't burn up.  I had 8 Radon VIIs and I had to RMA 5, when I put the 5 back to mining one burned up so I sold the rest.  Its a common problem lots of failures.  The RX 5700 are great for eth only, they have very fewer miners work with them and they are only efficient at mining eth.  

damn that's a lot of RMA, any idea if it could be your case or mother board. I had a shit Chinese mobo and a server case that kept killing cards over and over.

I had them on two different rigs, if you read the Readon VII thread lots of miners have had failures. Its a shame, very efficient and can mine other algos like griin 31 with decent results.  

https://bitcointalk.org/index.php?topic=5107271.380

[mak013]

The best GPU still 570-580 series. If you want the best ROI of course. It gives not the best hashrates but due to the price and if you are buying used GPUs - it is really the best choice, if you have some technical qualification.